Coke-spray ups wheat crop yields

Fertiliser company Incitec has come up with surprising results from its latest research trial using Coca-Cola on wheat crops.

Two years ago the company's agronomist mixed 10 litres of Coke with water and sprayed it on a hectare of wheat at Swan Hill in Victoria.

The sprayed plot had yields up to 8 per cent higher than untreated plots due to the phosphoric acid contained in the soft drink.

But agronomist Charlie Walker says it is unlikely we will see tractors spraying Coke on a wide scale.

"Of course I wouldn't be advocating in a commercial situation that you rip the lid off a can of Coke and start throwing that into the soil because you do have to sit and let it go flat before you put it through an injection system," Mr Walker said.

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